Home / 107,124.69-147,829.68-59,377.62

Finding the Fourth Proportional to 107,124.69, 147,829.68 and 59,377.62

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Solution

The fourth proportional to 107,124.69, 147,829.68 and 59,377.62 is: 81,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,124.69 : 147,829.68 = 59,377.62 : x
  2. Step 2: Convert to fraction form
    107,124.69/147,829.68 = 59,377.62/x
  3. Step 3: Cross multiply
    107,124.69x = 147,829.68 × 59,377.62
  4. Step 4: Simplify right side
    107,124.69x = 8,777,774,563.76
  5. Step 5: Solve for x
    x = 8,777,774,563.76/107,124.69
  6. Step 6: Final answer
    x = 81,939.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.